Once the malicious code has been triggered, it will first of all
check to see which version of OS X the victim is using and then attempt
to trigger a a denial-of-service attack by repeatedly opens draft
emails.

The DDoS continues drafting new emails in individual windows until so
many windows are running that the system crashes due to lack of memory.
The subject line of the emails tells the user a virus has been detected
and to call the tech support number.

There are also instances of the malicious software opening up iTunes
without any user prompting and displaying the fraudulent phone number
there.